21233102023 has 8 divisors (see below), whose sum is σ = 24516572192. Its totient is φ = 18012174336.

The previous prime is 21233101991. The next prime is 21233102039. The reversal of 21233102023 is 32020133212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21233102023 - 2⁵ = 21233101991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233102083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15634890 + ... + 15636247.

It is an arithmetic number, because the mean of its divisors is an integer number (3064571524).

Almost surely, 2^21233102023 is an apocalyptic number.

21233102023 is a deficient number, since it is larger than the sum of its proper divisors (3283470169).

21233102023 is an equidigital number, since it uses as much as digits as its factorization.

21233102023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271241.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21233102023 its reverse (32020133212), we get a palindrome (53253235235).

It can be divided in two parts, 21233 and 102023, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 21233102023 in words is "twenty-one billion, two hundred thirty-three million, one hundred two thousand, twenty-three".